百度试题 结果1 题目27) The figure shows a right-angled triangle, ADE. AB = BC = CD. What is the area of triangle EBC? E12 cm9cm AB D中15 cm Ans:18cm2 相关知识点: 试题来源: 解析 181/2129=54543=18 反馈 收藏
18. In the figure below, ABC is a right triangle, AC =12,CB =16, and BA =20. D, E and F are on BC,CA and AB, respectively, so that A E =3, CD =4, and B F =5. What is the ratio of the are a of triangle DE F to that of triangle ABC?A石159F■C4 D12B ...
Solve the right triangle shown in the figure. \displaystyle{ \begin{array}{clll} \mathrm{ A}. & A=37.7^\circ & B = 52.3^\circ & c = 2.8 \; \mathrm{ cm} \\ \mathrm{ B}. & A=47.8^\circ & B = 42.2^\circ & c = 2.8 \; \mathrm{ cm} \\...
Solving a Right Triangle, solve the right triangle shown in the figure. {eq}A = 30^{\circ} , b = 10 {/eq} Right Triangle : The sides of a right triangle can be determined either by using the Pythagoras theorem or by using the trigonometric ratios. Pythagoras theorem states...
The length of the three sides of a right triangle is x,2x+2,2x+3. What is the area of the right triangle?
Below is a right triangle. Take the longer side of the right angle as the axis, rotate and it forms Cone A. Take the shorter side of the right angle as the axis, rotate and it forms Cone B. The simplest integer ratio between the volumes of A and B is . 相关知识点: 试题来源: ...
28In the figure below, ABC is a right-angled triangle. EF is parallel to GH.Find ∠BCH.E77°50°B GC H∠ACB =180°-90°-50°=40°∠ACH =77°∠BCH =77°-40°=37°37ūAns:O 相关知识点: 试题来源: 解析 ∠ACB=180°-90°-50°=40° ∠ACH=77° ∠BCH=77°-40°=37°37 ...
Answer to: In the following figure, prove that the triangles in each part are similar and find the measure of the sides marked with x . By signing...
Answer to: Solve the right triangle shown in the figure. (Round to the nearest tenth as needed.) a = 27.1, c = 54.6 By signing up, you'll get...
aFigure 1 shows a number triangle. Write a program that calculates the highest sum of numbers passed on a route that starts at the top and ends somewhere on the base. Each step can go either diagonally down to the left or diagonally down to the right. 正在翻译,请等待...[translate]...